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Synthesis of Bi3TaO7–Bi4TaO8Br composites in ambient air and their high photocatalytic activity upon metal loading

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Abstract

Herein, we show that composites of Bi3TaO7–Bi4TaO8X (X = Cl, Br), two important Bi- and Ta-based light-responsive phases, can be prepared by high temperature, ambient air treatment of the precursors including easily oxidizable BiOX that retain the halide phases in excess of 60% and exhibit high photocatalytic activity. Furthermore, when these phases were loaded with less than 1% noble metals (Pd, Pt, Ag), nearly complete separation of the photogenerated excitons was observed, leading to a significant enhancement in the photocatalytic activity.

Graphical abstract: Synthesis of Bi3TaO7–Bi4TaO8Br composites in ambient air and their high photocatalytic activity upon metal loading

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Publication details

The article was received on 05 Jan 2019, accepted on 25 Mar 2019 and first published on 26 Mar 2019


Article type: Communication
DOI: 10.1039/C9DT00068B
Dalton Trans., 2019, Advance Article

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    Synthesis of Bi3TaO7–Bi4TaO8Br composites in ambient air and their high photocatalytic activity upon metal loading

    K. Chatterjee, M. Banoo, S. Mondal, L. Sahoo and U. K. Gautam, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C9DT00068B

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